Union Party - United States - was created in 1936.
Constitutional Union Party - United States - was created in 1860.
National Farmers Union - United States - was created in 1902.
The Workers Party of the United States was founded in December 2019 by a group of activists, socialists, and union members who wanted to create a party specifically focused on the needs of the working class.
The United States is a union created by the original 13 states. Perhaps because they were not as united anymore, if the South was attempting to break away from the Union.
Democratic Union Party was created in 1947.
The Civil War created a more perfect Union in that it united the Confederate and Union states permanently, giving birth to "the United States of America"!
New Union Party was created in 1974.
Republican Union Party was created in 1934.
Unconditional Union Party was created in 1861.
Socialist Union Party was created in 1939.
Industrial Union Party was created in 1933.
Union Federal Party was created in 1953.